@article{SM_1990_66_2_a4,
     author = {V. A. Oskolkov},
     title = {On the completeness and quasipower basis property of  systems $\{z^nf(\lambda_nz)\}$},
     journal = {Sbornik. Mathematics},
     pages = {383--392},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_66_2_a4/}
}